#4 X 1/2" Type AB Self Tapping Sheet Metal Screws | Truss Head | Phillips Drive | Steel Black Oxide (10000/Pkg.)

Type AB Self Tapping Sheet Metal Screws in #4 diameter and 1/2 inch length are available in bulk packs of 10,000 for large-scale assembly jobs. The truss head and Phillips drive provide flush seating and broad tool compatibility for professional metal enclosures, panels, and housings.

Specs

• Dimensions: Diameter #4; Length 1/2 inch
• Finish: Black Oxide
• Drive Type: Phillips
• Thread Type: Type AB

Features

• Self tapping capability: Forms mating threads in sheet metal during installation, eliminating pilot holes for compatible gauge ranges.
• Truss head: Large bearing surface distributes load to minimize surface deformation and provides flush seating on thin panels.
• Phillips drive: Common bit compatibility with reduced cam-out risk when driven with properly fitted bits and controlled torque.
• Finish: Black Oxide offers moderate corrosion resistance and improved lubricity for steel fasteners in indoor environments.
• Applications: Ideal for electrical enclosures, appliance housings, automotive trim, HVAC equipment, and other metal panel assemblies where fast, secure fastening is needed without pre-drilled pilot holes.